Imagine looking up on a dark winter night to see rippling ribbons of green and purple light dancing across the sky. The ...

The Perseid meteor shower, among the most beautiful in the Northern Hemisphere, is expected to peak on the evenings of Aug. 12 and 13, and will be visible through Aug. 23.

The northern lights are best seen between 10 p.m. and 2 a.m. local time while at a high, north-facing vantage point away from ...